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Chem Commun (Camb). 2006 Jan 14;(2):206-8. Epub 2005 Nov 17.

A novel heterocyclic atom exchange reaction with Lawesson's reagent: a one-pot synthesis of dithiomaltol.

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  • 1Department of Chemistry, University of California, Irvine, CA 92697-2025, USA.

Abstract

A one-pot reaction of maltol with Lawesson's reagent generates dithiomaltol, a thiopyran-4-thione, via an unusual heterocyclic atom exchange (HCAE) reaction; only pyrones with proton or aliphatic substituents undergo the HCAE substitution.

PMID:
16372107
[PubMed - indexed for MEDLINE]
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